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发明名称
Railway draft gear
摘要
申请公布号
US1804345(A)
申请公布日期
1931.05.05
申请号
US19260134527
申请日期
1926.09.09
申请人
KIESEL JR WILLIAM F
发明人
JR. WILLIAM F. KIESEL,
分类号
B61G9/04
主分类号
B61G9/04
代理机构
代理人
主权项
地址
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