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发明名称
Shingle
摘要
申请公布号
US1750332(A)
申请公布日期
1930.03.11
申请号
US19290339369
申请日期
1929.02.12
申请人
SCHOLLMEYER WILLIAM A
发明人
SCHOLLMEYER WILLIAM A.
分类号
E04D1/22;E04D1/34
主分类号
E04D1/22
代理机构
代理人
主权项
地址
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