Document Type and Number:
Japanese Patent JPS4221141
Kind Code:
Y1
Application Number:
JP4063064U
Publication Date:
December 07, 1967
Filing Date:
May 25, 1964
Export Citation:
International Classes:
A01B51/04; A01B51/00; B62B3/00; B62B3/02; B62B5/06; (IPC1-7): A01B51/00; B62B3/00; B62B5/06