Title:
二酸化炭素排出量計算用計算尺
Document Type and Number:
Japanese Patent JP4558783
Kind Code:
B2
Inventors:
Tadashi Yamazaki
Application Number:
JP2007338644A
Publication Date:
October 06, 2010
Filing Date:
December 28, 2007
Export Citation:
Assignee:
Yamazaki Education System Co., Ltd.
International Classes:
G06C3/00
Domestic Patent References:
| JP49065893A | ||||
| JP51093297A |
Attorney, Agent or Firm:
Satoru Matsumoto