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Patent:CN1184966

Patent:	CN 1184966
Title:	Slide Rule for calculating mixing ratio of concrete
Date:	17.06.1998
Place:
Country:	China
Person:	Yang Zuwen
Company:
Internal Links:	Rechenschieber
Keywords:
Link to the patent office: (without guarantee)	CN1184966

• DATUM: 17.06.1998
• TITEL: Slide rule for calculating mixing ratio of concrete
• PERSON: YANG ZUWEN CN