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(en )
1980-05-20
Closure plug assembly
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(en )
1982-09-21
Manhole joint gasket assembly and joint formed therewith
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(en )
1969-08-05
Pressure testing apparatus
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(en )
1993-11-02
Pressure testing of tubular fitting installed to a ported wall
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(en )
1993-12-28
Test cap unit for sealed fitting
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(en )
2014-09-18
System and method for detecting leaks in a fluid filled vessel
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(en )
2018-10-02
System and method for detecting leaks in a fluid filled vessel
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(en )
1936-12-15
Pipe testing plug
SU416311A1
(enrdf_load_stackoverflow )
1974-02-25
US20080083267A1
(en )
2008-04-10
Leak testing device with a permanent coupling
KR100876309B1
(ko )
2008-12-31
분기관 연결장치
JPS6372990A
(ja )
1988-04-02
パイプの横方向接続装置とその方法
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(en )
1965-05-18
Pitless well connector
FR2381224A1
(fr )
1978-09-15
Bouee pour la sustentation de tuyauteries de canalisations d'huile, de gaz et analogues immergees dans l'eau
GB101689A
(en )
1916-10-12
Improvements in or relating to the Attachment of Pipe Connections or Fittings and the like to Tanks or Cylinders.
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(en )
1936-10-27
Water meter coupling
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(en )
1958-08-12
Liquid spraying device
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(en )
1970-09-08
Leakage interceptor for flanged pipe to housing couplings
NO117182B
(enrdf_load_stackoverflow )
1969-07-14
DE59301626D1
(de )
1996-03-28
Einfriervorrichtung für flüssigkeitsgefüllte Leitungen
JPH0120318B2
(enrdf_load_stackoverflow )
1989-04-14
US6089254A
(en )
2000-07-18
Sewer construction
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(en )
1956-03-20
Self-contained vent drum/pump coupler unit
FR2403507A1
(fr )
1979-04-13
Joint d'etancheite entre deux tubes et dispositif d'obturation mettant en oeuvre un tel joint d'etancheite
RU1794149C
(ru )
1993-02-07
Устройство дл очистки канализационных трубопроводов