BR7600812A
(en )
1976-08-31
VALVE AND VALVE SEAL STRUCTURES
FR2284818A1
(en )
1976-04-09
PIPE CONNECTION
FR2294382A1
(en )
1976-07-09
PIPE CONNECTION
JPS53104422A
(en )
1978-09-11
Seal for pipe joint
FR2287638A1
(en )
1976-05-07
PIPE CONNECTION
TR18593A
(en )
1977-04-22
PROCEDURE FOR THE DISPOSAL OF WATER AND THE INSTALLATION FOR ITS EXERCISE
BR7606565A
(en )
1977-06-07
VALVE SEAL STRUCTURE
NL185998B
(en )
1990-04-02
METHOD FOR THE PURIFICATION OF SOFT WATER AND METHOD FOR PREPARING MIXTURES THEREFOR.
DK246575A
(en )
1976-01-12
DRAIN VALVE FOR THE TOILET CISTS
SE7514236L
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1976-06-21
DRAINAGE PIPELINE
SE7511128L
(en )
1976-04-05
SEALING RING FOR CHANNEL PIPE CONNECTIONS
IT1019091B
(en )
1977-11-10
PROCEDURE AND EQUIPMENT FOR CONCENTRATING SEWER SLUDGE
NL7602146A
(en )
1976-09-07
PIPE JOINT AND SEALING BEFORE.
NL7503897A
(en )
1975-10-07
PIPE SEAL.
SE457276B
(en )
1988-12-12
SEWAGE WATER
PL96093B1
(en )
1977-12-31
THE METHOD OF MAKING THE SEALANT, ESPECIALLY FOR SEALING WATER AND SEWAGE HOSE
AT351877B
(en )
1979-08-27
SOCKET PIPE SEAL
NO140341C
(en )
1979-08-15
APPLIANCE FOR SEALING OF SEA WATER.
JPS521533A
(en )
1977-01-07
Method of cuttinggoff the fluid in pipes
JPS5229381A
(en )
1977-03-05
Method for sealing chemicals
BE837095A
(en )
1976-04-16
PIPE FITTINGS
NL7410807A
(en )
1975-02-17
SEALANT AND METHOD OF MANUFACTURE THEREOF.
AU7930475A
(en )
1976-09-23
Improved concrete drain pipe
AU3016477A
(en )
1979-05-03
Clamped Pipe Seal
SE421579B
(en )
1982-01-18
SELF-CONTROLLING IRRIGATION WATER PLATOR