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发明名称
Trench excavator
摘要
申请公布号
US2599778(A)
申请公布日期
1952.06.10
申请号
US19450630310
申请日期
1945.11.23
申请人
PRZYBYLSKI DANIEL F
发明人
PRZYBYLSKI DANIEL F.
分类号
E02F3/08;E02F3/10;E02F3/14;E02F5/02;E02F5/06
主分类号
E02F3/08
代理机构
代理人
主权项
地址
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