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经营范围
发明名称
Extruded metal door frame and hinge assembly
摘要
申请公布号
US2752014(A)
申请公布日期
1956.06.26
申请号
US19530355553
申请日期
1953.05.18
申请人
WATSON WILLIAM A
发明人
WATSON WILLIAM A.
分类号
E05D5/04
主分类号
E05D5/04
代理机构
代理人
主权项
地址
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