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发明名称
Roof and side covering for buildings
摘要
申请公布号
US2004575(A)
申请公布日期
1935.06.11
申请号
US19330681115
申请日期
1933.07.19
申请人
ERNEST R. BERG
发明人
KEYESAWETTER IRVING A.
分类号
E04D1/02
主分类号
E04D1/02
代理机构
代理人
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地址
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