The Nation's Schools, Količina 66Michael Vincent O'Shea McGraw Hill, 1960 |
Iz vsebine knjige
Zadetki 1–3 od 74
Stran 36
... door control gives maximum protection to doors and frames . Stops and overhead holders which cause damaging shock when doors are banged open are unnecessary ! Now doors are gently cush- ioned to a stop by an adjustable hydraulic action ...
... door control gives maximum protection to doors and frames . Stops and overhead holders which cause damaging shock when doors are banged open are unnecessary ! Now doors are gently cush- ioned to a stop by an adjustable hydraulic action ...
Stran 137
... door closers . The versatility of this non - handed rack and pinion door closer allows maximum freedom in your choice of door and frame style and closer application . The Norton Series 1500 TRIMLINE closer affords dependable , trouble ...
... door closers . The versatility of this non - handed rack and pinion door closer allows maximum freedom in your choice of door and frame style and closer application . The Norton Series 1500 TRIMLINE closer affords dependable , trouble ...
Stran 157
... door holders for entrance and other heavy duty doors . GJ W 40 " shall have GLYNN JOHNSON ... GJ 500 series CONCEALED ( or surface mounted ) OVERHEAD DOOR HOLDERS . " ( Most efficient shock absorbing device for holding door open at any ...
... door holders for entrance and other heavy duty doors . GJ W 40 " shall have GLYNN JOHNSON ... GJ 500 series CONCEALED ( or surface mounted ) OVERHEAD DOOR HOLDERS . " ( Most efficient shock absorbing device for holding door open at any ...
Vsebina
THE Nations Schools | 29 |
JULY OF MICHIGAN | 37 |
TEN DEPARTURES from convention in this Illinois high school page | 56 |
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