NL83644C - - Google Patents
Info
- Publication number
- NL83644C NL83644C NL83644DA NL83644C NL 83644 C NL83644 C NL 83644C NL 83644D A NL83644D A NL 83644DA NL 83644 C NL83644 C NL 83644C
- Authority
- NL
- Netherlands
Links
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1427—Locking devices
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL83644C true NL83644C (en) | 1900-01-01 |
Family
ID=1830623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL83644D NL83644C (en) |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL83644C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2424372A1 (en) * | 1978-04-24 | 1979-11-23 | Dumortier Robert | Lever latch securing circular manhole cover to frame - has lateral V=shape with apex axle top leg forming hand lever and lower leg including bolt hook |
| EP0640728A1 (en) * | 1993-08-26 | 1995-03-01 | Polycryl Ag | Drainage channel with grating |
| EP1972723A3 (en) * | 2007-03-21 | 2009-04-01 | Figli di Enzo Rossi S.p.A. | Inspection cover |
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0
- NL NL83644D patent/NL83644C/xx active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2424372A1 (en) * | 1978-04-24 | 1979-11-23 | Dumortier Robert | Lever latch securing circular manhole cover to frame - has lateral V=shape with apex axle top leg forming hand lever and lower leg including bolt hook |
| EP0640728A1 (en) * | 1993-08-26 | 1995-03-01 | Polycryl Ag | Drainage channel with grating |
| EP1972723A3 (en) * | 2007-03-21 | 2009-04-01 | Figli di Enzo Rossi S.p.A. | Inspection cover |