Title:
SAFETY DEVICE FOR DERRICK CRANE
Document Type and Number:
Japanese Patent JPS59118695
Kind Code:
A
Inventors:
ISHIKAWA MASAKO
AOKI MASARU
AOKI MASARU
Application Number:
JP22495582A
Publication Date:
July 09, 1984
Filing Date:
December 23, 1982
Export Citation:
Assignee:
ISHIKAWA MASAKO
SANWA TEKKI CORP
SANWA TEKKI CORP
International Classes:
B66C23/90; B66C13/16; B66C13/46; (IPC1-7): B66C13/16; B66C13/46; B66C23/90
Domestic Patent References:
| JPS4980752A | 1974-08-03 |
Attorney, Agent or Firm:
Tadashi Otsuka