AU134974B2 - Improvements in or relating to mechanical lead pencils - Google Patents

Improvements in or relating to mechanical lead pencils

Info

Publication number
AU134974B2
AU134974B2 AU9424/47A AU942447A AU134974B2 AU 134974 B2 AU134974 B2 AU 134974B2 AU 9424/47 A AU9424/47 A AU 9424/47A AU 942447 A AU942447 A AU 942447A AU 134974 B2 AU134974 B2 AU 134974B2
Authority
AU
Australia
Prior art keywords
relating
mechanical lead
lead pencils
pencils
mechanical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU9424/47A
Other versions
AU942447A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU942447A publication Critical patent/AU942447A/en
Publication of AU134974B2 publication Critical patent/AU134974B2/en
Expired legal-status Critical Current

Links

AU9424/47A 1947-01-16 Improvements in or relating to mechanical lead pencils Expired AU134974B2 (en)

Publications (2)

Publication Number Publication Date
AU942447A AU942447A (en) 1948-01-22
AU134974B2 true AU134974B2 (en) 1948-01-22

Family

ID=

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