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发明名称
Self-aligning shingle
摘要
申请公布号
US3407557(A)
申请公布日期
1968.10.29
申请号
US19660579291
申请日期
1966.09.14
申请人
ROBERT E. SHAW;MARY ELLEN SHAW
发明人
SHAW MARY ELLEN
分类号
E04D1/26
主分类号
E04D1/26
代理机构
代理人
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地址
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