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发明名称
Shingles
摘要
申请公布号
US2811118(A)
申请公布日期
1957.10.29
申请号
US19530367415
申请日期
1953.07.13
申请人
BALL FRANCIS M
发明人
BALL FRANCIS M.
分类号
E04D1/18;E04F13/08
主分类号
E04D1/18
代理机构
代理人
主权项
地址
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