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发明名称
Shovel
摘要
申请公布号
US2057256(A)
申请公布日期
1936.10.13
申请号
US19330700183
申请日期
1933.11.29
申请人
WEBSTER LEWIS E
发明人
WEBSTER LEWIS E.
分类号
B25G3/02
主分类号
B25G3/02
代理机构
代理人
主权项
地址
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