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发明名称
Shingle
摘要
申请公布号
US2253652(A)
申请公布日期
1941.08.26
申请号
US19400362533
申请日期
1940.10.24
申请人
THE RUBEROID CO.
发明人
RITTER GEORGE
分类号
E04D1/26
主分类号
E04D1/26
代理机构
代理人
主权项
地址
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