JPH03130858U - - Google Patents
Info
- Publication number
- JPH03130858U JPH03130858U JP4176590U JP4176590U JPH03130858U JP H03130858 U JPH03130858 U JP H03130858U JP 4176590 U JP4176590 U JP 4176590U JP 4176590 U JP4176590 U JP 4176590U JP H03130858 U JPH03130858 U JP H03130858U
- Authority
- JP
- Japan
- Prior art keywords
- sheet body
- opening
- falling
- falling objects
- fallen object
- 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
Links
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Catching Or Destruction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4176590U JPH03130858U (enExample) | 1990-04-18 | 1990-04-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4176590U JPH03130858U (enExample) | 1990-04-18 | 1990-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03130858U true JPH03130858U (enExample) | 1991-12-27 |
Family
ID=31552715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4176590U Pending JPH03130858U (enExample) | 1990-04-18 | 1990-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03130858U (enExample) |
-
1990
- 1990-04-18 JP JP4176590U patent/JPH03130858U/ja active Pending