发明名称 Self-starting plant marker and methods and apparatus for making same
摘要 Disclosed herein are an automated machine for the manufacture of self-starting wooden plant markers, a new and improved method of manufacturing self-starting plant markers, and the resulting new and improved plant marker itself.
申请公布号 US3908308(A) 申请公布日期 1975.09.30
申请号 US19740520054 申请日期 1974.11.01
申请人 ENVIRO-GRO, INC. 发明人 MEYERS, EDWARD F.
分类号 A01C1/04;(IPC1-7):A01C1/04 主分类号 A01C1/04
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