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发明名称
Rock breaker
摘要
申请公布号
US2094865(A)
申请公布日期
1937.10.05
申请号
US19330677642
申请日期
1933.06.26
申请人
ADY JR JOSEPH W;WILFLEY ROBERT D
发明人
JR. JOSEPH W. ADY,;WILFLEY ROBERT D.
分类号
B02C19/00
主分类号
B02C19/00
代理机构
代理人
主权项
地址
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