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发明名称
Shingle
摘要
申请公布号
US1993163(A)
申请公布日期
1935.03.05
申请号
US19310541089
申请日期
1931.05.29
申请人
BAKELITE BUILDING PRODUCTS CO. INC.
发明人
HARSHBERGER NORMAN P.
分类号
E04D1/26
主分类号
E04D1/26
代理机构
代理人
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地址
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