DE271960A - - Google Patents
Info
- Publication number
- DE271960A DE271960A DE271960A DE 271960 A DE271960 A DE 271960A DE 271960 A DE271960 A DE 271960A
- Authority
- DE
- Germany
- Prior art keywords
- sheet
- keys
- paper
- strip
- struck
- 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
- 239000004927 clay Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 238000009527 percussion Methods 0.000 claims description 3
- 235000014676 Phragmites communis Nutrition 0.000 claims 1
- 230000002411 adverse Effects 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000000994 depressogenic effect Effects 0.000 description 4
- 241000182341 Cubitermes group Species 0.000 description 1
Family
ID=
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9329325B2 (en) * | 2009-04-20 | 2016-05-03 | Bae Systems Plc | Optical waveguides |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9329325B2 (en) * | 2009-04-20 | 2016-05-03 | Bae Systems Plc | Optical waveguides |
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