AU136849B2 - Improved focusing arrangements for electric torches - Google Patents

Info

Publication number

AU136849B2

AU136849B2 AU13899/47A AU1389947A AU136849B2 AU 136849 B2 AU136849 B2 AU 136849B2 AU 13899/47 A AU13899/47 A AU 13899/47A AU 1389947 A AU1389947 A AU 1389947A AU 136849 B2 AU136849 B2 AU 136849B2

Authority

AU

Australia

Prior art keywords

improved focusing

focusing arrangements

electric torches

torches

electric

Prior art date

1947-07-24

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 - Lifetime

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