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发明名称
Differential truck for sawmill carriages
摘要
申请公布号
US1781221(A)
申请公布日期
1930.11.11
申请号
US19280312651
申请日期
1928.10.15
申请人
FERRIS ERVIE A
发明人
FERRIS ERVIE A.
分类号
B27B29/00
主分类号
B27B29/00
代理机构
代理人
主权项
地址
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