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经营范围
发明名称
Individual shingle and roofing formed therewith
摘要
申请公布号
US2867181(A)
申请公布日期
1959.01.06
申请号
US19530394999
申请日期
1953.11.30
申请人
PAUL SUTRO
发明人
ASHBAUGH LEWIS B.
分类号
E04D1/18
主分类号
E04D1/18
代理机构
代理人
主权项
地址
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