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经营范围
发明名称
Schienenschleifwagen
摘要
申请公布号
DE1206461(B)
申请公布日期
1965.12.09
申请号
DE1956F020963
申请日期
1956.08.06
申请人
FRANK SPENO RAILROAD BALLAST CLEANING CO., INC.
发明人
JUN. FRANK SPENO;SHAY GEORGE CLINTON
分类号
E01B31/17
主分类号
E01B31/17
代理机构
代理人
主权项
地址
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