Clear Opening (Q33399)
From CanonBase
measured size of the free opening of the proscenium
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Clear Opening | measured size of the free opening of the proscenium |
measured size of the free opening of the proscenium
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Clear Opening | measured size of the free opening of the proscenium |