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经营范围
发明名称
Waterproof brick wall
摘要
申请公布号
US2192366(A)
申请公布日期
1940.03.05
申请号
US19380233320
申请日期
1938.10.04
申请人
POROMA JOHN A
发明人
POROMA JOHN A.
分类号
E04B2/04
主分类号
E04B2/04
代理机构
代理人
主权项
地址
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