AU216539A - An improved filter block, heat insulating brick, wallboard orthe like and process of manufacture thereof - Google Patents

An improved filter block, heat insulating brick, wallboard orthe like and process of manufacture thereof

Info

Publication number
AU216539A
AU216539A AU2165/39A AU216539A AU216539A AU 216539 A AU216539 A AU 216539A AU 2165/39 A AU2165/39 A AU 2165/39A AU 216539 A AU216539 A AU 216539A AU 216539 A AU216539 A AU 216539A
Authority
AU
Australia
Prior art keywords
orthe
wallboard
manufacture
heat insulating
filter block
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
AU2165/39A
Other versions
AU111957B2 (en
Inventor
Hans Greger Herbert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of AU216539A publication Critical patent/AU216539A/en
Publication of AU111957B2 publication Critical patent/AU111957B2/en
Expired legal-status Critical Current

Links

AU2165/39A 1939-05-16 An improved filter block, heat insulating brick, wallboard orthe like and process of manufacture thereof Expired AU111957B2 (en)

Publications (2)

Publication Number Publication Date
AU216539A true AU216539A (en) 1940-11-02
AU111957B2 AU111957B2 (en) 1940-11-02

Family

ID=

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