JPH0249366A - アースパイプの構造 - Google Patents

アースパイプの構造

Info

Publication number
JPH0249366A
JPH0249366A JP18809488A JP18809488A JPH0249366A JP H0249366 A JPH0249366 A JP H0249366A JP 18809488 A JP18809488 A JP 18809488A JP 18809488 A JP18809488 A JP 18809488A JP H0249366 A JPH0249366 A JP H0249366A
Authority
JP
Japan
Prior art keywords
earth
pipe
connection
pipes
jointed
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
JP18809488A
Other languages
English (en)
Japanese (ja)
Other versions
JPH053116B2 (cs
Inventor
Tsuguhiko Watanabe
嗣彦 渡辺
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 JP18809488A priority Critical patent/JPH0249366A/ja
Publication of JPH0249366A publication Critical patent/JPH0249366A/ja
Publication of JPH053116B2 publication Critical patent/JPH053116B2/ja
Granted legal-status Critical Current

Links

JP18809488A 1988-05-20 1988-07-29 アースパイプの構造 Granted JPH0249366A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18809488A JPH0249366A (ja) 1988-05-20 1988-07-29 アースパイプの構造

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP63-121969 1988-05-20
JP12196988 1988-05-20
JP18809488A JPH0249366A (ja) 1988-05-20 1988-07-29 アースパイプの構造

Publications (2)

Publication Number Publication Date
JPH0249366A true JPH0249366A (ja) 1990-02-19
JPH053116B2 JPH053116B2 (cs) 1993-01-14

Family

ID=26459209

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18809488A Granted JPH0249366A (ja) 1988-05-20 1988-07-29 アースパイプの構造

Country Status (1)

Country Link
JP (1) JPH0249366A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5196941A (en) * 1990-08-02 1993-03-23 Rca Licensing Corporation Beam scan velocity modulation apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4837329U (cs) * 1971-09-08 1973-05-07
JPS52100536U (cs) * 1975-08-01 1977-07-29

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4837329U (cs) * 1971-09-08 1973-05-07
JPS52100536U (cs) * 1975-08-01 1977-07-29

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5196941A (en) * 1990-08-02 1993-03-23 Rca Licensing Corporation Beam scan velocity modulation apparatus

Also Published As

Publication number Publication date
JPH053116B2 (cs) 1993-01-14

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