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发明名称
House
摘要
申请公布号
US2715953(A)
申请公布日期
1955.08.23
申请号
US19470738383
申请日期
1947.03.31
申请人
MARROW GEORGE M
发明人
MARROW GEORGE M.
分类号
E04B1/00;E04H1/02
主分类号
E04B1/00
代理机构
代理人
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地址
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