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发明名称
Collapsible hand truck
摘要
申请公布号
US2490189(A)
申请公布日期
1949.12.06
申请号
US19470781878
申请日期
1947.10.24
申请人
ALEXANDER WILLIAM J
发明人
ALEXANDER WILLIAM J.
分类号
B62B1/12
主分类号
B62B1/12
代理机构
代理人
主权项
地址
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