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发明名称
MASONRY STRUCTURE ANCHOR
摘要
申请公布号
CA521945(A)
申请公布日期
1956.02.21
申请号
CAD521945
申请日期
申请人
OTIS ELEVATOR COMPANY
发明人
DANIEL D. TOFANELLI
分类号
主分类号
代理机构
代理人
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地址
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