JPS63179920U - - Google Patents

Info

Publication number
JPS63179920U
JPS63179920U JP7334487U JP7334487U JPS63179920U JP S63179920 U JPS63179920 U JP S63179920U JP 7334487 U JP7334487 U JP 7334487U JP 7334487 U JP7334487 U JP 7334487U JP S63179920 U JPS63179920 U JP S63179920U
Authority
JP
Japan
Prior art keywords
certain level
filtration part
extraction
utility
water surface
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.)
Pending
Application number
JP7334487U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP7334487U priority Critical patent/JPS63179920U/ja
Publication of JPS63179920U publication Critical patent/JPS63179920U/ja
Pending legal-status Critical Current

Links

JP7334487U 1987-05-15 1987-05-15 Pending JPS63179920U (US07709020-20100504-C00041.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7334487U JPS63179920U (US07709020-20100504-C00041.png) 1987-05-15 1987-05-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7334487U JPS63179920U (US07709020-20100504-C00041.png) 1987-05-15 1987-05-15

Publications (1)

Publication Number Publication Date
JPS63179920U true JPS63179920U (US07709020-20100504-C00041.png) 1988-11-21

Family

ID=30917597

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7334487U Pending JPS63179920U (US07709020-20100504-C00041.png) 1987-05-15 1987-05-15

Country Status (1)

Country Link
JP (1) JPS63179920U (US07709020-20100504-C00041.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5127580B2 (US07709020-20100504-C00041.png) * 1973-04-02 1976-08-13

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5127580B2 (US07709020-20100504-C00041.png) * 1973-04-02 1976-08-13

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