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发明名称
Spreading tool
摘要
申请公布号
US2443824(A)
申请公布日期
1948.06.22
申请号
US19450631281
申请日期
1945.11.28
申请人
JOHNSON ERNEST B
发明人
JOHNSON ERNEST B.
分类号
B25B1/24;B25B27/00
主分类号
B25B1/24
代理机构
代理人
主权项
地址
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