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发明名称
Floor covering marker
摘要
申请公布号
US2796665(A)
申请公布日期
1957.06.25
申请号
US19550524397
申请日期
1955.07.26
申请人
RALPH COSSOCK
发明人
COSSOCK RALPH
分类号
B25H7/04;E04F21/22
主分类号
B25H7/04
代理机构
代理人
主权项
地址
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