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经营范围
发明名称
Improvements in or relating to scrolls or worms for use in driving worm wheels
摘要
申请公布号
GB409083(A)
申请公布日期
1934.04.26
申请号
GB19330000331
申请日期
1933.01.05
申请人
ERNEST SCRAGG & SONS, LIMITED;THOMAS WILLIAM SCRAGG
发明人
分类号
F16H55/22
主分类号
F16H55/22
代理机构
代理人
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地址
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