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发明名称
DOOR CHECKS FOR SINGLE ACTING AND DOUBLE ACTING SWINGING DOORS
摘要
申请公布号
CA770842(A)
申请公布日期
1967.11.07
申请号
CAD770842
申请日期
申请人
VEREINIGTE BAUBESCHLAGFABRIKEN GRETSCH AND CO. G.M.B.H.
发明人
WOLFGANG SCHMID;REINHOLD VOSTER
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主分类号
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