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发明名称
Reversible gears having helicoidal teeth and parallel axes
摘要
申请公布号
US2789442(A)
申请公布日期
1957.04.23
申请号
US19540449299
申请日期
1954.08.12
申请人
SIRA SOCIETA ITALIANA ROANO ALESSANDRO SOC. P. AZ.
发明人
ROANO ALESSANDRO
分类号
F16H55/08
主分类号
F16H55/08
代理机构
代理人
主权项
地址
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