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经营范围
发明名称
Schraubensicherung fuer den Eisenbahnoberbau
摘要
申请公布号
DE595192(C)
申请公布日期
1934.04.03
申请号
DED595192D
申请日期
1930.04.03
申请人
CLEGG LOCK WASHER CORPORATION
发明人
分类号
E01B9/12;E01B11/38
主分类号
E01B9/12
代理机构
代理人
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地址
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