JPS523621A - Production of annular concrete blocks - Google Patents

Production of annular concrete blocks

Info

Publication number
JPS523621A
JPS523621A JP7958875A JP7958875A JPS523621A JP S523621 A JPS523621 A JP S523621A JP 7958875 A JP7958875 A JP 7958875A JP 7958875 A JP7958875 A JP 7958875A JP S523621 A JPS523621 A JP S523621A
Authority
JP
Japan
Prior art keywords
production
concrete blocks
annular concrete
annular
blocks
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.)
Granted
Application number
JP7958875A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5244891B2 (pl
Inventor
Sugiaki Kusatake
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
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 Individual filed Critical Individual
Priority to JP7958875A priority Critical patent/JPS523621A/ja
Publication of JPS523621A publication Critical patent/JPS523621A/ja
Publication of JPS5244891B2 publication Critical patent/JPS5244891B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Moulds, Cores, Or Mandrels (AREA)
JP7958875A 1975-06-24 1975-06-24 Production of annular concrete blocks Granted JPS523621A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7958875A JPS523621A (en) 1975-06-24 1975-06-24 Production of annular concrete blocks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7958875A JPS523621A (en) 1975-06-24 1975-06-24 Production of annular concrete blocks

Publications (2)

Publication Number Publication Date
JPS523621A true JPS523621A (en) 1977-01-12
JPS5244891B2 JPS5244891B2 (pl) 1977-11-11

Family

ID=13694142

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7958875A Granted JPS523621A (en) 1975-06-24 1975-06-24 Production of annular concrete blocks

Country Status (1)

Country Link
JP (1) JPS523621A (pl)

Also Published As

Publication number Publication date
JPS5244891B2 (pl) 1977-11-11

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