Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPS539734
Kind Code:
Y2
Application Number:
JP2435574U
Publication Date:
March 14, 1978
Filing Date:
February 28, 1974
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
B24B39/04; B21D3/04; B23P9/02; B24B39/00; (IPC1-7): B24B39/04; B23P9/02