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发明名称
Earth moving apparatus or the like
摘要
申请公布号
US2813645(A)
申请公布日期
1957.11.19
申请号
US19570633925
申请日期
1957.01.14
申请人
PILCH JOHN S
发明人
PILCH JOHN S.
分类号
E02F3/30;E02F3/32;E02F3/42;E02F9/22
主分类号
E02F3/30
代理机构
代理人
主权项
地址
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