Title:
ROCK DELIVERY VEHICLE
Document Type and Number:
Japanese Patent JPS59233093
Kind Code:
A
Inventors:
HIRANO TAKASHI
Application Number:
JP10870083A
Publication Date:
December 27, 1984
Filing Date:
June 17, 1983
Export Citation:
Assignee:
HIRANO TAKASHI
International Classes:
E21C41/26; E21C47/10; (IPC1-7): E21C41/12
Domestic Patent References:
| JPS5123101A | 1976-02-24 | |||
| JPS4961786A | 1974-06-14 |
Attorney, Agent or Firm:
Maeda Kiyomi