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发明名称
Waterproofing composition
摘要
申请公布号
US1778964(A)
申请公布日期
1930.10.21
申请号
US19250024262
申请日期
1925.04.18
申请人
SHELTON CHARLES S
发明人
SHELTON CHARLES S.
分类号
D21H17/69
主分类号
D21H17/69
代理机构
代理人
主权项
地址
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