| 摘要 |
An electrode (1) for scanning physiological electric potentials has two superimposed, conductive boards (2, 3) which are held by an insulating, annular body (4) that surrounds the marginal regions of the boards (2, 3) in such a way that a sealing effect is achieved on the margins of the boards and the contact surfaces (5, 6) of the boards are separated from each other. <IMAGE>
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