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发明名称
Inflexible waterproof composition and process of making same
摘要
申请公布号
US1949229(A)
申请公布日期
1934.02.27
申请号
US19300448776
申请日期
1930.04.30
申请人
THE BARRETT COMPANY
发明人
YEAGER FRANK WILLIAM
分类号
E04B1/66
主分类号
E04B1/66
代理机构
代理人
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地址
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