AT197565B - Hollow concrete block and process for its manufacture - Google Patents

Hollow concrete block and process for its manufacture

Info

Publication number
AT197565B
AT197565B AT197565DA AT197565B AT 197565 B AT197565 B AT 197565B AT 197565D A AT197565D A AT 197565DA AT 197565 B AT197565 B AT 197565B
Authority
AT
Austria
Prior art keywords
manufacture
concrete block
hollow concrete
hollow
block
Prior art date
Application number
Other languages
German (de)
Inventor
Eduard F John
Original Assignee
Eduard F John
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Eduard F John filed Critical Eduard F John
Application granted granted Critical
Publication of AT197565B publication Critical patent/AT197565B/en

Links

AT197565D 1956-08-31 1956-08-31 Hollow concrete block and process for its manufacture AT197565B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT197565T 1956-08-31

Publications (1)

Publication Number Publication Date
AT197565B true AT197565B (en) 1958-05-10

Family

ID=3667816

Family Applications (1)

Application Number Title Priority Date Filing Date
AT197565D AT197565B (en) 1956-08-31 1956-08-31 Hollow concrete block and process for its manufacture

Country Status (1)

Country Link
AT (1) AT197565B (en)

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