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发明名称
COMPOSITE ROLLER MECHANICAL VIBRATION GENERATOR
摘要
申请公布号
US3541864(A)
申请公布日期
1970.11.24
申请号
USD3541864
申请日期
1968.10.15
申请人
SHELL OIL CO.
发明人
OTTO KURT SCHWENZFEIER
分类号
B06B1/16;(IPC1-7):B06B3/00
主分类号
B06B1/16
代理机构
代理人
主权项
地址
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