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发明名称
摘要
申请公布号	FR2327173(B1)	申请公布日期	1983.01.28
申请号	FR19760030399	申请日期	1976.10.08
申请人	NATIONAL RESEARCH DEVELOPMENT	发明人
分类号	A01C7/00;A01C7/04;B65G47/14;(IPC1-7):B65G53/30;B65G69/20;A01C1/00	主分类号	A01C7/00
代理机构		代理人
主权项
地址

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