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发明名称
PITCH CONTROL
摘要
申请公布号
GB8914948(D0)
申请公布日期
1989.08.23
申请号
GB19890014948
申请日期
1989.06.29
申请人
EEC INTERNATIONAL LIMITED
发明人
分类号
D21H17/67;D21H17/45;D21H17/68;D21H17/69;D21H21/02
主分类号
D21H17/67
代理机构
代理人
主权项
地址
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