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发明名称
METHOD FOR CONTROLLING PITCH.
摘要
申请公布号
EP0617749(A4)
申请公布日期
1994.11.02
申请号
EP19930900173
申请日期
1992.12.15
申请人
VININGS INDUSTRIES INC.
发明人
DERRICK, ARTHUR PERCY
分类号
D21H17/63;D21H21/02;(IPC1-7):D21H21/02
主分类号
D21H17/63
代理机构
代理人
主权项
地址
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